Classify the following materials as solid liquid gas at room temperature milk helium granite oxygen steel and gasonline

How have the greenhouse gasses increased from the year 2000 to 2018

How is the way a mixture is combined different from how a compound is combined?

Consider the heating curve of h2o and line segments a, b, and c. several changes are taking place at a, b, and c. all but one would be an appropriate description as e move through segments a, b and then c.